JAVA INTERVIEW QUESTIONS

In OOP terms, a class is a template for creating multiple objects. It defines the state and behavior of the object.

An instance of a class

• CricketScorer cricketScorer = new CricketScorer();
• cricketScorer is an object of the class CrickeScorer.

The state of object is the values that it has at that particular point in time.

• Object.
• When we create an object it inherits all the methods and properties of the Object class.

Methods supported by an object.

Prints the contents of a given object.

used when we want to compare two objects.

• @Override
• public String toString(){
•   return "Animal [name=" + name + ", type=" + type +"]";
• }

• public class Hero extends Actor {
•   public void fight(){
•     System.out.println("fight");
• };

}

• public static void main(String[] args) {
•     //Printout a greeting.
•     System.out.println("Hello World!");
• }